[LinuxBIOS] OLPC Keyboard/System Controller ENE KB3920
ollie at lanl.gov
Wed Mar 22 21:46:15 CET 2006
On Wed, 2006-03-15 at 22:03 -0500, Jim Gettys wrote:
> I expect it is easy.
> I just put it on Mark Foster's list, so that a jumper might appear in
> the right place... It is easy to overlook such details (though this one
> is small enough it might have been simple to get added later); but the
> closer to production the first board is, the better.
> - Jim
The SPI flash rom they are going to use has a W# signal. When it is
driven low and some register bit is set, certain part (programmable)
of the flash can't be programmed.
In the schematics, they pull the W# hi (software write protect).
Li-Ta Lo <ollie at lanl.gov>
Los Alamos National Lab
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